package android.support.v4.app;

import java.util.ArrayList;

import android.util.Log;
import android.view.View;
import android.view.Window;

import com.smartandroid.sa.sherlock.ActionBarSherlock;
import com.smartandroid.sa.sherlock.ActionBarSherlock.OnCreatePanelMenuListener;
import com.smartandroid.sa.sherlock.ActionBarSherlock.OnMenuItemSelectedListener;
import com.smartandroid.sa.sherlock.ActionBarSherlock.OnPreparePanelListener;
import com.smartandroid.sa.sherlock.view.Menu;
import com.smartandroid.sa.sherlock.view.MenuInflater;
import com.smartandroid.sa.sherlock.view.MenuItem;

/** I'm in ur package. Stealing ur variables. */
public abstract class Watson extends FragmentActivity implements
		OnCreatePanelMenuListener, OnPreparePanelListener,
		OnMenuItemSelectedListener {
	private static final String TAG = "Watson";

	/** Fragment interface for menu creation callback. */
	public interface OnCreateOptionsMenuListener {
		public void onCreateOptionsMenu(Menu menu, MenuInflater inflater);
	}

	/** Fragment interface for menu preparation callback. */
	public interface OnPrepareOptionsMenuListener {
		public void onPrepareOptionsMenu(Menu menu);
	}

	/** Fragment interface for menu item selection callback. */
	public interface OnOptionsItemSelectedListener {
		public boolean onOptionsItemSelected(MenuItem item);
	}

	private ArrayList<Fragment> mCreatedMenus;

	// /////////////////////////////////////////////////////////////////////////
	// Sherlock menu handling
	// /////////////////////////////////////////////////////////////////////////

	@Override
	public boolean onCreatePanelMenu(int featureId, Menu menu) {
		if (ActionBarSherlock.DEBUG)
			Log.d(TAG, "[onCreatePanelMenu] featureId: " + featureId
					+ ", menu: " + menu);

		if (featureId == Window.FEATURE_OPTIONS_PANEL) {
			boolean result = onCreateOptionsMenu(menu);
			if (ActionBarSherlock.DEBUG)
				Log.d(TAG, "[onCreatePanelMenu] activity create result: "
						+ result);

			MenuInflater inflater = getSupportMenuInflater();
			boolean show = false;
			ArrayList<Fragment> newMenus = null;
			if (mFragments.mAdded != null) {
				for (int i = 0; i < mFragments.mAdded.size(); i++) {
					Fragment f = mFragments.mAdded.get(i);
					if (f != null && !f.mHidden && f.mHasMenu && f.mMenuVisible
							&& f instanceof OnCreateOptionsMenuListener) {
						show = true;
						((OnCreateOptionsMenuListener) f).onCreateOptionsMenu(
								menu, inflater);
						if (newMenus == null) {
							newMenus = new ArrayList<Fragment>();
						}
						newMenus.add(f);
					}
				}
			}

			if (mCreatedMenus != null) {
				for (int i = 0; i < mCreatedMenus.size(); i++) {
					Fragment f = mCreatedMenus.get(i);
					if (newMenus == null || !newMenus.contains(f)) {
						f.onDestroyOptionsMenu();
					}
				}
			}

			mCreatedMenus = newMenus;

			if (ActionBarSherlock.DEBUG)
				Log.d(TAG, "[onCreatePanelMenu] fragments create result: "
						+ show);
			result |= show;

			if (ActionBarSherlock.DEBUG)
				Log.d(TAG, "[onCreatePanelMenu] returning " + result);
			return result;
		}
		return false;
	}

	@Override
	public boolean onPreparePanel(int featureId, View view, Menu menu) {
		if (ActionBarSherlock.DEBUG)
			Log.d(TAG, "[onPreparePanel] featureId: " + featureId + ", view: "
					+ view + " menu: " + menu);

		if (featureId == Window.FEATURE_OPTIONS_PANEL) {
			boolean result = onPrepareOptionsMenu(menu);
			if (ActionBarSherlock.DEBUG)
				Log.d(TAG, "[onPreparePanel] activity prepare result: "
						+ result);

			boolean show = false;
			if (mFragments.mAdded != null) {
				for (int i = 0; i < mFragments.mAdded.size(); i++) {
					Fragment f = mFragments.mAdded.get(i);
					if (f != null && !f.mHidden && f.mHasMenu && f.mMenuVisible
							&& f instanceof OnPrepareOptionsMenuListener) {
						show = true;
						((OnPrepareOptionsMenuListener) f)
								.onPrepareOptionsMenu(menu);
					}
				}
			}

			if (ActionBarSherlock.DEBUG)
				Log.d(TAG, "[onPreparePanel] fragments prepare result: " + show);
			result |= show;

			result &= menu.hasVisibleItems();
			if (ActionBarSherlock.DEBUG)
				Log.d(TAG, "[onPreparePanel] returning " + result);
			return result;
		}
		return false;
	}

	@Override
	public boolean onMenuItemSelected(int featureId, MenuItem item) {
		if (ActionBarSherlock.DEBUG)
			Log.d(TAG, "[onMenuItemSelected] featureId: " + featureId
					+ ", item: " + item);

		if (featureId == Window.FEATURE_OPTIONS_PANEL) {
			if (onOptionsItemSelected(item)) {
				return true;
			}

			if (mFragments.mAdded != null) {
				for (int i = 0; i < mFragments.mAdded.size(); i++) {
					Fragment f = mFragments.mAdded.get(i);
					if (f != null && !f.mHidden && f.mHasMenu && f.mMenuVisible
							&& f instanceof OnOptionsItemSelectedListener) {
						if (((OnOptionsItemSelectedListener) f)
								.onOptionsItemSelected(item)) {
							return true;
						}
					}
				}
			}
		}
		return false;
	}

	public abstract boolean onCreateOptionsMenu(Menu menu);

	public abstract boolean onPrepareOptionsMenu(Menu menu);

	public abstract boolean onOptionsItemSelected(MenuItem item);

	public abstract MenuInflater getSupportMenuInflater();
}
